Steve Kroft looks at the Sony.

Learn more about your ad choices. Visit megaphone.fm/adchoices

U.S. Homeland Security Secretary Jeh Johnson talks about the evolving role of his massive security efforts that encompass several governmental agencies; In a rare interview, prominent Irish Republican politician Gerry Adams addresses allegations that he was complicit in the 1972 murder of Jean McConville; Morley Safer meets up with the Wikipedians, the "persnickety," techy types who keep your favorite Internet information website brimming with data.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Charlie Rose interviews Syrian President Bashar al-Assad as Syria's four-year-old civil war drags on; and, 60 Minutes follows brain cancer patients in a Duke University clinical trial of a therapy that uses a re-engineered polio virus to kill cancer cells.

To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy

Learn more about your ad choices. Visit https://podcastchoices.com/adchoices

Lara Logan reports on Iraq's Christians; Are modern life's devices under China's grip? Lesley Stahl reports; then, Charlie Rose profiles astrophysicist Neil deGrasse Tyson.

To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy

Learn more about your ad choices. Visit https://podcastchoices.com/adchoices

Scott Pelley reports on how errors to the SSA's Death Master File can result in fraudulent payments and identity headaches; David Martin reports on the Marines' search for women to serve in combat; and, Lesley Stahl reports on a family of zoo gorillas who are released to the wild.

To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy

Learn more about your ad choices. Visit https://podcastchoices.com/adchoices

Lesley Stahl reports on the untimely death of Alberto Nisman; Scott Pelley reports on combat Marines adjusting to civilian life; and, a profile of the Metropolitan Opera's music director James Levine.

To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy

Learn more about your ad choices. Visit https://podcastchoices.com/adchoices

Hurricane Sandy victims, Larry David, cancerous flooring.

Learn more about your ad choices. Visit megaphone.fm/adchoices

His 60 Minutes colleagues recall Bob Simon for a special broadcast honoring the late newsman's remarkable life and art.

Learn more about your ad choices. Visit megaphone.fm/adchoices

In his final story for 60 Minutes, Bob Simon reports on the long and complicated development of ZMapp, a promising drug to combat Ebola; Steve Kroft sits down with Bradley Cooper, the star of the Oscar-nominated film "American Sniper."

Learn more about your ad choices. Visit megaphone.fm/adchoices

No real security on the Internet -- even the military is under daily assault - says the man the Defense Department hired to make the web more secure; Lesley Stahl reports. Also, filming on Alabama's Edmund Pettus Bridge offered director Ava DuVernay a way to anger the ghosts of racism; Bob Simon has her story.

Learn more about your ad choices. Visit megaphone.fm/adchoices